74ABT899

更新时间： 2024-11-08 22:56:15

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		/
页数	文件大小	规格书
16页	130K
描述
9-Bit Latchable Transceiver with Parity Generator/Checker

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中文翻译

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数据手册

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74ABT899 数据手册

November 1992

Revised January 1999

74ABT899

9-Bit Latchable Transceiver

with Parity Generator/Checker

■ Ability to simultaneously generate and check parity

General Description

■ May be used in systems applications in place of the

543 and 280

The ABT899 is a 9-bit to 9-bit parity transceiver with trans-

parent latches. The device can operate as a feed-through

transceiver or it can generate/check parity from the 8-bit

data busses in either direction.

■ May be used in system applications in place of the

657 and 373 (no need to change T/R to check parity)

■ Guaranteed output skew

The ABT899 features independent latch enables for the A-

to-B direction and the B-to-A direction, a select pin for

ODD/EVEN parity, and separate error signal output pins for

checking parity.

■ Guaranteed multiple output switching specifications

■ Output switching specified for both 50 pF and

250 pF loads

■ Guaranteed simultaneous switching noise level and

dynamic threshold performance

Features

■ Latchable transceiver with output sink of 64 mA

■ Guaranteed latchup protection

■ Option to select generate parity and check or

■ High impedance glitch free bus loading during entire

“feed-through” data/parity in directions A-to-B or B-to-A

power up and power down cycle

■ Independent latch enables for A-to-B and B-to-A

■ Nondestructive hot insertion capability

directions

■ Disable time less than enable time to avoid bus

■ Select pin for ODD/EVEN parity

contention

■ ERRA and ERRB output pins for parity checking

Ordering Code:

Order Number Package Number

Package Description

74ABT899CSC

74ABT899CMSA

74ABT899CQC

M28B

MSA28

V28A

28-Lead Small Outline Integrated Circuit (SOIC), MS-013, 0.300” Wide Body

28-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm Wide

28-Lead Plastic Lead Chip Carrier (PLCC), JEDEC MO-047, 0.450” Square

Devices also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.

Pin Assignment for

SOIC and SSOP

Connection Diagrams

Pin Assignment

for PLCC

DS011509.prf

www.fairchildsemi.com

12 3 4 5 6 7...16

中文翻译

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与74ABT899相关器件

型号	品牌	获取价格	描述	数据表
74ABT899A	NXP	获取价格	9-bit dual latch transceiver with 8-bit parity generator/checker 3-State
74ABT899A,602	NXP	获取价格	74ABT899 - 9-bit dual latch transceiver with 8-bit parity generator/checker (3-State) LCC
74ABT899A,623	NXP	获取价格	74ABT899 - 9-bit dual latch transceiver with 8-bit parity generator/checker (3-State) LCC
74ABT899A-T	ETC	获取价格	Single 8-bit Bus Transceiver
74ABT899CMSA	FAIRCHILD	获取价格	9-Bit Latchable Transceiver with Parity Generator/Checker
74ABT899CMSAC	ETC	获取价格	Single 8-bit Bus Transceiver
74ABT899CMSACX	TI	获取价格	ABT SERIES, 9-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO28, EIAJ TYPE2, SSOP-28
74ABT899CMSAX	FAIRCHILD	获取价格	Single 8-bit Bus Transceiver
74ABT899CQC	FAIRCHILD	获取价格	9-Bit Latchable Transceiver with Parity Generator/Checker
74ABT899CQCX	FAIRCHILD	获取价格	Single 8-bit Bus Transceiver

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